Each product has a unique model number.A model number usually starts with letters followed by series of numbers, e.g. GC6440, 37PFL7403D/10 or SA1300/02.
There are a few different ways you can locate your model number:
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Screw ring for bottle
This ring can be screwed onto Philips Avent Classic+ bottles. To complement this item, buy the dome cap for the Classic+ bottle as well.
Screw ring for bottle
This ring can be screwed onto Philips Avent Classic+ bottles. To complement this item, buy the dome cap for the Classic+ bottle as well.